Christ's reply:
Related Commentaries of Matthew 16:2
Matthew 16:2-3
2 He answered and said unto them,When it is evening, ye say, It will be fair weather: for the sky is red.
3 And in the morning, It will be foul weather to day: for the sky is red and lowring. O ye hypocrites, ye can discern the face of the sky; but can ye not discern the signs of the times?